Getting started

Prerequisite knowledge & skills
MESSAGEix model & framework
Installation
Tutorials
Publications, projects, and tools

Mathematical specification

Sets and mappings
Years, periods, and time slices
Parameter definition
MESSAGE core formulation
Solve statement workflow
Standard output reports
Auxiliary investment parameters
MACRO core formulation

Developing MESSAGEix models

Efficiency - output- vs. input defined technologies
Add model years to an existing Scenario
lp_diag: basic diagnostics of linear program (LP) problems
Migrations
sankey: generate Sankey diagrams
- API reference
Postprocessing and reporting
Debugging and data validation
Calibrate and tune MESSAGE-MACRO
User guidelines and notice
Sharing publications, projects, and tools

Reference & development

Python API
Usage in R via reticulate
What’s New
Contributing to development
References

Community & support

Code of conduct
Discussions
Frequently asked questions

MESSAGEix

sankey: generate Sankey diagrams
View page source

`sankey`: generate Sankey diagrams

See Reporter.add_sankey() and the westeros_sankey.ipynb tutorial.

API reference

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